/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:23:17,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:23:17,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:23:17,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:23:17,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:23:17,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:23:17,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:23:17,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:23:17,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:23:17,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:23:17,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:23:17,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:23:17,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:23:17,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:23:17,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:23:17,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:23:17,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:23:17,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:23:17,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:23:17,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:23:17,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:23:17,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:23:17,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:23:17,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:23:17,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:23:17,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:23:17,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:23:17,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:23:17,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:23:17,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:23:17,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:23:17,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:23:17,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:23:17,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:23:17,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:23:17,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:23:17,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:23:17,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:23:17,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:23:17,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:23:17,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:23:17,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 19:23:17,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:23:17,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:23:17,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:23:17,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:23:17,310 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:23:17,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:23:17,311 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:23:17,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:23:17,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:23:17,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:23:17,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:23:17,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:23:17,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:23:17,314 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:23:17,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:23:17,314 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:23:17,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:23:17,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:23:17,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:23:17,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:23:17,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:23:17,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:23:17,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:23:17,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:23:17,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:23:17,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:23:17,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:23:17,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:23:17,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:23:17,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:23:17,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:23:17,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:23:17,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:23:17,786 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:23:17,786 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:23:17,787 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-24 19:23:17,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ab273db5/9c7994315d7a48789b4ffcfb6d1eeccc/FLAGe9a3b9f9b [2020-09-24 19:23:18,430 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:23:18,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-09-24 19:23:18,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ab273db5/9c7994315d7a48789b4ffcfb6d1eeccc/FLAGe9a3b9f9b [2020-09-24 19:23:18,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ab273db5/9c7994315d7a48789b4ffcfb6d1eeccc [2020-09-24 19:23:18,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:23:18,750 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:23:18,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:23:18,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:23:18,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:23:18,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:23:18" (1/1) ... [2020-09-24 19:23:18,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156a129e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:18, skipping insertion in model container [2020-09-24 19:23:18,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:23:18" (1/1) ... [2020-09-24 19:23:18,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:23:18,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:23:19,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:23:19,031 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:23:19,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:23:19,161 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:23:19,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19 WrapperNode [2020-09-24 19:23:19,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:23:19,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:23:19,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:23:19,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:23:19,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19" (1/1) ... [2020-09-24 19:23:19,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19" (1/1) ... [2020-09-24 19:23:19,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19" (1/1) ... [2020-09-24 19:23:19,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19" (1/1) ... [2020-09-24 19:23:19,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19" (1/1) ... [2020-09-24 19:23:19,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19" (1/1) ... [2020-09-24 19:23:19,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19" (1/1) ... [2020-09-24 19:23:19,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:23:19,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:23:19,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:23:19,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:23:19,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:23:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:23:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:23:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-24 19:23:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 19:23:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 19:23:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-09-24 19:23:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-09-24 19:23:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-09-24 19:23:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-09-24 19:23:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:23:19,289 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 19:23:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:23:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-24 19:23:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 19:23:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 19:23:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:23:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 19:23:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 19:23:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-09-24 19:23:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:23:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-09-24 19:23:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-09-24 19:23:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-09-24 19:23:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:23:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 19:23:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 19:23:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:23:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:23:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:23:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:23:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:23:19,754 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:23:19,757 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 19:23:19,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:23:19 BoogieIcfgContainer [2020-09-24 19:23:19,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:23:19,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:23:19,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:23:19,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:23:19,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:23:18" (1/3) ... [2020-09-24 19:23:19,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533ce2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:23:19, skipping insertion in model container [2020-09-24 19:23:19,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:23:19" (2/3) ... [2020-09-24 19:23:19,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533ce2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:23:19, skipping insertion in model container [2020-09-24 19:23:19,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:23:19" (3/3) ... [2020-09-24 19:23:19,773 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-09-24 19:23:19,783 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:23:19,793 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:23:19,813 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:23:19,840 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:23:19,841 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:23:19,841 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:23:19,841 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:23:19,841 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:23:19,841 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:23:19,841 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:23:19,841 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:23:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-09-24 19:23:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 19:23:19,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:23:19,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:23:19,873 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:23:19,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:23:19,879 INFO L82 PathProgramCache]: Analyzing trace with hash 991863416, now seen corresponding path program 1 times [2020-09-24 19:23:19,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:23:19,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646318080] [2020-09-24 19:23:19,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:23:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:20,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:21,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:21,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:23:21,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:23:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-24 19:23:21,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:23:21,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 19:23:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:21,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:23:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:21,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:21,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:21,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:23:21,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:21,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:23:21,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:21,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:21,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:21,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:21,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:21,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:23:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:21,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:21,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:21,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 19:23:21,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-24 19:23:21,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:23:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:23:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:21,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:21,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:21,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:21,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:21,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:21,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:21,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-24 19:23:21,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:21,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:21,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:21,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:21,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:21,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:21,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 19:23:21,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:21,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:21,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:23:21,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:23:21,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646318080] [2020-09-24 19:23:21,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:23:21,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:23:21,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687478236] [2020-09-24 19:23:21,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:23:21,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:23:21,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:23:21,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:23:21,692 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 10 states. [2020-09-24 19:23:22,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:23:22,225 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions. [2020-09-24 19:23:22,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 19:23:22,227 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-09-24 19:23:22,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:23:22,242 INFO L225 Difference]: With dead ends: 119 [2020-09-24 19:23:22,243 INFO L226 Difference]: Without dead ends: 98 [2020-09-24 19:23:22,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:23:22,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-24 19:23:22,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2020-09-24 19:23:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-09-24 19:23:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions. [2020-09-24 19:23:22,313 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 38 [2020-09-24 19:23:22,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:23:22,314 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions. [2020-09-24 19:23:22,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:23:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2020-09-24 19:23:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 19:23:22,318 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:23:22,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:23:22,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:23:22,319 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:23:22,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:23:22,319 INFO L82 PathProgramCache]: Analyzing trace with hash -630533651, now seen corresponding path program 1 times [2020-09-24 19:23:22,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:23:22,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560758899] [2020-09-24 19:23:22,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:23:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:22,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:22,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:23,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:23,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 19:23:23,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:23:23,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 731 [2020-09-24 19:23:23,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:23,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:23:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 19:23:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:23,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:23,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:23,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:23,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:23,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:23:23,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:23,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:23:23,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:23,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:23:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:23,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:23,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:23,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:23:23,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:23,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-24 19:23:23,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:23:23,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 19:23:23,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:23,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:23,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:23,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:23,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:23,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:23,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:23,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:23:23,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:23,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:23,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:23,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:23,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:23,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:23,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:23,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:23,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:23,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:23,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:23,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:23:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:23,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:23,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:23,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:23,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 19:23:23,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:23:23,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:23,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:23,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:23,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:23,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:23,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:23,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:23:23,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:23,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:23,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:23,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:23:23,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 19:23:23,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560758899] [2020-09-24 19:23:23,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:23:23,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:23:23,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620413636] [2020-09-24 19:23:23,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:23:23,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:23:23,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:23:23,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:23:23,572 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand 10 states. [2020-09-24 19:23:24,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:23:24,139 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2020-09-24 19:23:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 19:23:24,140 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 19:23:24,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:23:24,142 INFO L225 Difference]: With dead ends: 118 [2020-09-24 19:23:24,142 INFO L226 Difference]: Without dead ends: 107 [2020-09-24 19:23:24,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-09-24 19:23:24,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-09-24 19:23:24,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2020-09-24 19:23:24,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-24 19:23:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 110 transitions. [2020-09-24 19:23:24,159 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 110 transitions. Word has length 53 [2020-09-24 19:23:24,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:23:24,160 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 110 transitions. [2020-09-24 19:23:24,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:23:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2020-09-24 19:23:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-24 19:23:24,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:23:24,164 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:23:24,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:23:24,164 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:23:24,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:23:24,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1439695258, now seen corresponding path program 1 times [2020-09-24 19:23:24,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:23:24,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908837069] [2020-09-24 19:23:24,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:23:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:24,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:24,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:24,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:25,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:25,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-24 19:23:25,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:23:25,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-24 19:23:25,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-24 19:23:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 19:23:25,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:25,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:25,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:25,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:25,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:23:25,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:25,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:23:25,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:25,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:25,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:23:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:25,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:25,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:25,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 19:23:26,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:23:26,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-24 19:23:26,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-24 19:23:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 19:23:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:26,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:26,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:23:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:26,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:26,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:26,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:26,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:23:26,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:26,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:23:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:26,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:23:26,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:26,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:26,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:26,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:26,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:26,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:26,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:23:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:23:26,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 19:23:26,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:26,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 19:23:26,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:26,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:26,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:23:26,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:26,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:26,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:26,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:23:26,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:26,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:26,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:26,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:26,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-24 19:23:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:23:26,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:23:26,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 19:23:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:23:26,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:26,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-24 19:23:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:26,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:26,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:26,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:23:26,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:26,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:26,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 19:23:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:26,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-24 19:23:26,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908837069] [2020-09-24 19:23:26,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:23:26,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 19:23:26,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063900141] [2020-09-24 19:23:26,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:23:26,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:23:26,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:23:26,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:23:26,613 INFO L87 Difference]: Start difference. First operand 105 states and 110 transitions. Second operand 10 states. [2020-09-24 19:23:27,340 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-09-24 19:23:27,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:23:27,512 INFO L93 Difference]: Finished difference Result 126 states and 132 transitions. [2020-09-24 19:23:27,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 19:23:27,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-09-24 19:23:27,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:23:27,518 INFO L225 Difference]: With dead ends: 126 [2020-09-24 19:23:27,521 INFO L226 Difference]: Without dead ends: 107 [2020-09-24 19:23:27,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2020-09-24 19:23:27,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-09-24 19:23:27,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-09-24 19:23:27,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-09-24 19:23:27,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2020-09-24 19:23:27,558 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 89 [2020-09-24 19:23:27,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:23:27,559 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2020-09-24 19:23:27,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:23:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2020-09-24 19:23:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-24 19:23:27,565 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:23:27,566 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:23:27,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:23:27,566 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:23:27,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:23:27,568 INFO L82 PathProgramCache]: Analyzing trace with hash -935744761, now seen corresponding path program 1 times [2020-09-24 19:23:27,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:23:27,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185193311] [2020-09-24 19:23:27,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:23:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:27,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:28,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:28,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-24 19:23:28,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:23:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-24 19:23:28,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-09-24 19:23:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 19:23:28,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:28,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:28,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:28,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:28,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:23:28,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:28,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:23:28,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:28,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:28,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:28,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:28,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:28,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:23:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:28,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:28,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-24 19:23:29,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:23:29,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-09-24 19:23:29,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 19:23:29,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:29,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:23:29,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:29,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:29,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:23:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:29,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:23:29,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:29,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:29,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:29,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:23:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:23:29,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:23:29,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:29,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:29,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:29,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:23:29,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:29,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:29,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:29,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:23:29,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:29,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-24 19:23:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:23:29,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:23:29,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:29,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-24 19:23:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:29,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:29,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:29,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:23:29,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:29,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:23:29,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:23:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 19:23:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:23:29,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-24 19:23:29,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185193311] [2020-09-24 19:23:29,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:23:29,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:23:29,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165503322] [2020-09-24 19:23:29,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:23:29,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:23:29,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:23:29,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:23:29,938 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand 8 states. [2020-09-24 19:23:30,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:23:30,367 INFO L93 Difference]: Finished difference Result 125 states and 131 transitions. [2020-09-24 19:23:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 19:23:30,368 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-09-24 19:23:30,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:23:30,373 INFO L225 Difference]: With dead ends: 125 [2020-09-24 19:23:30,374 INFO L226 Difference]: Without dead ends: 101 [2020-09-24 19:23:30,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-24 19:23:30,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-09-24 19:23:30,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-09-24 19:23:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-24 19:23:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-09-24 19:23:30,394 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 90 [2020-09-24 19:23:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:23:30,395 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-09-24 19:23:30,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:23:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-09-24 19:23:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-24 19:23:30,399 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:23:30,399 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:23:30,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:23:30,399 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:23:30,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:23:30,400 INFO L82 PathProgramCache]: Analyzing trace with hash 581149382, now seen corresponding path program 1 times [2020-09-24 19:23:30,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:23:30,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981572988] [2020-09-24 19:23:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:23:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:30,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:30,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:31,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:31,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-24 19:23:31,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:23:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-09-24 19:23:31,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:31,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:31,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-24 19:23:31,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 19:23:31,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:31,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:31,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:31,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:31,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:23:31,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:31,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:23:31,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:31,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:31,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:31,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:31,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:31,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:23:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:31,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:31,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:31,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 19:23:32,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:23:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-24 19:23:32,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 19:23:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:32,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:32,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:32,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:32,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 19:23:32,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:32,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:32,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:32,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:32,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:32,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:32,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:32,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:32,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:23:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:32,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:32,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:32,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:23:32,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:32,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:32,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:32,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:32,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:32,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:32,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:32,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:23:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:32,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:23:32,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:32,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:23:32,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:32,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:32,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:32,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:23:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:32,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:23:32,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:32,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:23:32,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:32,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:32,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:23:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:32,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 19:23:32,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:32,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:32,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:23:32,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:23:32,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:32,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 19:23:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:32,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:23:32,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:32,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:32,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:23:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:23:32,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 19:23:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:23:32,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:23:32,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:23:32,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:23:32,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:23:32,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:23:32,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:23:32,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:23:32,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:23:32,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:23:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:23:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-24 19:23:32,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981572988] [2020-09-24 19:23:32,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:23:32,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:23:32,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427172587] [2020-09-24 19:23:32,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:23:32,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:23:32,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:23:32,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:23:32,865 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand 8 states. [2020-09-24 19:23:33,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:23:33,227 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2020-09-24 19:23:33,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 19:23:33,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-09-24 19:23:33,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:23:33,229 INFO L225 Difference]: With dead ends: 101 [2020-09-24 19:23:33,229 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 19:23:33,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:23:33,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 19:23:33,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 19:23:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 19:23:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 19:23:33,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-09-24 19:23:33,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:23:33,232 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 19:23:33,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:23:33,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 19:23:33,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 19:23:33,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 19:23:33,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 19:23:34,045 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-09-24 19:23:34,045 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 19:23:34,045 INFO L268 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-09-24 19:23:34,046 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-09-24 19:23:34,046 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-09-24 19:23:34,046 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 19:23:34,046 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 19:23:34,046 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:23:34,047 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |old(#NULL.base)| |#NULL.base|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:23:34,047 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 19:23:34,047 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-24 19:23:34,047 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 19:23:34,047 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:23:34,047 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-09-24 19:23:34,047 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-09-24 19:23:34,047 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-09-24 19:23:34,048 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-09-24 19:23:34,048 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 19:23:34,048 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 19:23:34,048 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-09-24 19:23:34,050 INFO L264 CegarLoopResult]: At program point L46-2(line 46) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (or (<= (+ |kzalloc_#t~malloc0.base| 1) 0) (< 0 |kzalloc_#t~malloc0.base|))))) (and (or .cse0 (= ~freed_tmp_slot~0 0)) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-09-24 19:23:34,050 INFO L268 CegarLoopResult]: For program point L46-3(line 46) no Hoare annotation was computed. [2020-09-24 19:23:34,050 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-09-24 19:23:34,050 INFO L264 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: (let ((.cse0 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 (= ~tmp_slot~0.base 0)) (or .cse0 (= ~freed_tmp_slot~0 0)))) [2020-09-24 19:23:34,050 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-09-24 19:23:34,051 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-24 19:23:34,052 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-24 19:23:34,052 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-24 19:23:34,052 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-24 19:23:34,052 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-09-24 19:23:34,052 INFO L268 CegarLoopResult]: For program point L67-2(line 67) no Hoare annotation was computed. [2020-09-24 19:23:34,052 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-09-24 19:23:34,052 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-09-24 19:23:34,053 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 19:23:34,053 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-09-24 19:23:34,053 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-09-24 19:23:34,053 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-09-24 19:23:34,053 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (let ((.cse0 (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) (.cse1 (not (= ~tmp_slot~0.base 0)))) (or (= |old(~freed_tmp_slot~0)| 0) (and .cse0 .cse1 (not (= ~freed_tmp_slot~0 0))) (and .cse0 .cse1 (<= 1 ~used_tmp_slot~0)))) [2020-09-24 19:23:34,053 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-24 19:23:34,054 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-09-24 19:23:34,054 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-24 19:23:34,054 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0))) [2020-09-24 19:23:34,054 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-09-24 19:23:34,054 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-09-24 19:23:34,054 INFO L268 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-09-24 19:23:34,055 INFO L268 CegarLoopResult]: For program point L118-3(line 118) no Hoare annotation was computed. [2020-09-24 19:23:34,055 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0))) [2020-09-24 19:23:34,055 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-24 19:23:34,055 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-09-24 19:23:34,055 INFO L264 CegarLoopResult]: At program point L81-1(line 81) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0))) [2020-09-24 19:23:34,055 INFO L268 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2020-09-24 19:23:34,055 INFO L268 CegarLoopResult]: For program point L114-3(line 114) no Hoare annotation was computed. [2020-09-24 19:23:34,056 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-09-24 19:23:34,056 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 19:23:34,056 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-24 19:23:34,056 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-09-24 19:23:34,056 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 19:23:34,056 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)))) [2020-09-24 19:23:34,056 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-24 19:23:34,057 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-09-24 19:23:34,057 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-24 19:23:34,057 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-09-24 19:23:34,057 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-09-24 19:23:34,057 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 19:23:34,057 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-09-24 19:23:34,057 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-24 19:23:34,058 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (let ((.cse0 (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) (.cse1 (not (= ~tmp_slot~0.base 0)))) (or (= |old(~freed_tmp_slot~0)| 0) (and .cse0 .cse1 (not (= ~freed_tmp_slot~0 0))) (and .cse0 .cse1 (<= 1 ~used_tmp_slot~0)))) [2020-09-24 19:23:34,058 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 19:23:34,058 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-24 19:23:34,058 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-09-24 19:23:34,059 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-24 19:23:34,059 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (= |old(~freed_tmp_slot~0)| 0)) [2020-09-24 19:23:34,059 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0))) (.cse1 (not (= ~tmp_slot~0.base 0)))) (or (= |old(~freed_tmp_slot~0)| 0) (and .cse0 .cse1 (not (= ~freed_tmp_slot~0 0))) (and .cse0 .cse1 (<= 1 ~used_tmp_slot~0)))) [2020-09-24 19:23:34,059 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-09-24 19:23:34,059 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-09-24 19:23:34,060 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 19:23:34,060 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (= |old(~freed_tmp_slot~0)| 0)) [2020-09-24 19:23:34,060 INFO L268 CegarLoopResult]: For program point L109-1(line 109) no Hoare annotation was computed. [2020-09-24 19:23:34,060 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-09-24 19:23:34,060 INFO L268 CegarLoopResult]: For program point L76-2(line 76) no Hoare annotation was computed. [2020-09-24 19:23:34,060 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| 0) (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)))) [2020-09-24 19:23:34,060 INFO L268 CegarLoopResult]: For program point L101-1(line 101) no Hoare annotation was computed. [2020-09-24 19:23:34,061 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:23:34,061 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (not (= ~freed_tmp_slot~0 0)) [2020-09-24 19:23:34,061 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 19:23:34,061 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:23:34,062 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (or (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (= |old(~freed_tmp_slot~0)| 0)) [2020-09-24 19:23:34,062 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-09-24 19:23:34,062 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 19:23:34,063 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-09-24 19:23:34,063 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-24 19:23:34,063 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| 0) [2020-09-24 19:23:34,063 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-09-24 19:23:34,063 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-24 19:23:34,063 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-09-24 19:23:34,064 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-09-24 19:23:34,064 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-09-24 19:23:34,064 INFO L268 CegarLoopResult]: For program point L62-2(line 62) no Hoare annotation was computed. [2020-09-24 19:23:34,064 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-09-24 19:23:34,065 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-09-24 19:23:34,066 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (let ((.cse0 (= |#memory_int| |old(#memory_int)|))) (and (or .cse0 (= ~freed_tmp_slot~0 0)) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-09-24 19:23:34,066 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:23:34,066 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:23:34,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:23:34 BoogieIcfgContainer [2020-09-24 19:23:34,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:23:34,112 INFO L168 Benchmark]: Toolchain (without parser) took 15366.34 ms. Allocated memory was 140.0 MB in the beginning and 359.7 MB in the end (delta: 219.7 MB). Free memory was 103.1 MB in the beginning and 122.9 MB in the end (delta: -19.8 MB). Peak memory consumption was 199.8 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:34,113 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 19:23:34,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.67 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 182.3 MB in the end (delta: -79.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:34,115 INFO L168 Benchmark]: Boogie Preprocessor took 46.93 ms. Allocated memory is still 203.4 MB. Free memory was 182.3 MB in the beginning and 179.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:34,115 INFO L168 Benchmark]: RCFGBuilder took 555.05 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 152.9 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:34,116 INFO L168 Benchmark]: TraceAbstraction took 14343.52 ms. Allocated memory was 203.4 MB in the beginning and 359.7 MB in the end (delta: 156.2 MB). Free memory was 152.3 MB in the beginning and 122.9 MB in the end (delta: 29.4 MB). Peak memory consumption was 185.6 MB. Max. memory is 7.1 GB. [2020-09-24 19:23:34,120 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 411.67 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 182.3 MB in the end (delta: -79.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.93 ms. Allocated memory is still 203.4 MB. Free memory was 182.3 MB in the beginning and 179.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 555.05 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 152.9 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14343.52 ms. Allocated memory was 203.4 MB in the beginning and 359.7 MB in the end (delta: 156.2 MB). Free memory was 152.3 MB in the beginning and 122.9 MB in the end (delta: 29.4 MB). Peak memory consumption was 185.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (\old(freed_tmp_slot) == 0 || ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(freed_tmp_slot == 0))) || ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && 1 <= used_tmp_slot) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (\old(freed_tmp_slot) == 0 || ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(freed_tmp_slot == 0))) || ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && 1 <= used_tmp_slot) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.3s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 449 SDtfs, 644 SDslu, 1045 SDs, 0 SdLazy, 1224 SolverSat, 249 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 88 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 35 PreInvPairs, 41 NumberOfFragments, 386 HoareAnnotationTreeSize, 35 FomulaSimplifications, 171 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 23 FomulaSimplificationsInter, 507 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 80309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 105/108 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...